These fan-cooled, 2PCBS design IGBT inverter power sources support MMA and scratch-start TIG welding.
The welder automatically provides optimal start and stop parameters according to the preset welding current.
The booster circuit delivers extra voltage to achieve reliable arc ignition and great performance for cellulosic electrodes.
With wide current range and powerful welding performance, this DC arc welder fits general, stainless steel and cellulosic electrodes.
Hot Start, ARC FORCE and ANTI-STICK functions optimize arc ignition, arc dynamics and help release stuck electrodes easily.
This machine supports precision-controlled TIG welding for mild steel and stainless steel with optional TIG torch, gas regulator and gas cylinder.
VRD (Voltage Reduction Device) reduces the open-circuit voltage to a safe level before welding starts to enhance operator safety.
Designs:
| Parameter | UNSMINI‑ 100BSD | UNSMINI‑ 120BSD | UNSMINI‑ 140BSD | UNSMINI‑ 160BSD |
| Mains Voltage (V) | 220 | 220 | 220 | 220 |
| Frequency (HZ) | 50/60 | 50/60 | 50/60 | 50/60 |
| No‑load Voltage (V) | 56 | 56 | 56 | 56 |
| Rated Input Capacity (KVA) | 4.5 | 5.0 | 5.5 | 6.0 |
| Insulation Class | F | F | F | F |
| Output Current (A) | 20‑100 | 20‑120 | 20‑140 | 20‑160 |
| Rated Duty Cycle (%) | 35 | 35 | 35 | 35 |
| Dimensions (CM) | 23*10*15.5 | 23*10*15.5 | 23*10*15.5 | 23*10*15.5 |
| Weight (KG) | 1.9 | 2.0 | 2.0 | 2.0 |
| Parameter | UNSMINI‑ 100PSD | UNSMINI‑ 120PSD | UNSMINI‑ 140PSD | UNSMINI‑ 160PSD |
| Mains Voltage (V) | 220 | 220 | 220 | 220 |
| Frequency (HZ) | 50/60 | 50/60 | 50/60 | 50/60 |
| No‑load Voltage (V) | 56 | 56 | 56 | 56 |
| Rated Input Capacity (KVA) | 4.5 | 5.0 | 5.5 | 6.0 |
| Insulation Class | F | F | F | F |
| Output Current (A) | 20‑100 | 20‑120 | 20‑140 | 20‑160 |
| Rated Duty Cycle (%) | 35 | 35 | 35 | 35 |
| Dimensions (CM) | 23*10*15.5 | 23*10*15.5 | 23*10*15.5 | 23*10*15.5 |
| Weight (KG) | 1.9 | 2.0 | 2.0 | 2.0 |
Optimizes arc ignition performance for hard‑to‑strike welding electrodes.
Adjustable to select optimal dynamic characteristics of welding arc.
Automatically lowers current for quick release when electrode sticks to workpiece.
Intelligent thermal protection prevents machine damage caused by overheating.
Efficient cooling system accelerates heat dissipation and extends service life.
Safeguards internal components against unstable input voltage surges.
Compact lightweight structure, easy to carry and suitable for outdoor operation.
Low idle power consumption, improves energy efficiency during long working hours.
Voltage reduction device for enhanced operator safety against electric shock.
Lift‑start TIG function, scratch‑free arc ignition for tungsten electrode.
individual packing，6pcs/ctn
individual packing，6pcs/ctn
